Tom,
This reminds me of the VSAM-XA almost disaster of the early to
mid 1990s.
Let me make this short and sweet. IBM called a meeting of
developers in San Jose. DFP said what they were wanting to do
with VSAM-XA. I brought to the manager's attention (I think it
was Yates) that the
Je suis absent le 22 juin 2023.
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Thank you all for your input! The reason for the question is that IBM
is consdering removing the CHKPT macro and is wondering if it is used
much. The COBOL runtime uses CHKPT for our checkpoint/restart functionality,
I think DFSORT does as well, and also Broadcom's Smart/RESTART facility.
There
There are a lot of documented restrictions with CHECKPOINT and NAME/TOKEN
services.
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> On Jun 18, 2023, at 10:31 AM, Steve Thompson wrote:
>
> In years gone by, I had checkpoint/restart in COBOL programs using Tape, so
> that they could pick back up from the last checkpoint. Obviously a long
> running program since it was processing multiple tapes (reel to reel stuff).
>
> In
Tbh, I never even knew that z/OS itself had the facility, until its demise was
announced. More commonly used seemed to be the GSAM checkpoint/restart
capability in IMS.
===
Adam Johanson
Broadcom Mainframe Software Division
Classification: Confidential
At leas one of my clients are using this.
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Tom
Ross
Sent: Saturday, June 17, 2023 9:50 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Checkpoint/restart in COBOL applications?
[CAUTION
dy (not retired yet) who ever used
> it? :-)
>
> Yes, you can safely remove it from COBOL.
>
> --
> Radoslaw Skorupka
> Lodz, Poland
>
>
>
>
>
>
> W dniu 18.06.2023 o 04:50, Tom Ross pisze:
> > Greetings!
> >
> >Does anyone kn
anyone know if there are people/applications using checkpoint/restart in
COBOL applications? The doc only shows it is usable in programs that use SORT,
I have not heard of customers doing this in years, but someone in IBMMAIN would
know better than me! The reason for the question is that IBM
miss it's removal from COBOL at all.
Peter
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Ed
Jaffe
Sent: Sunday, June 18, 2023 12:06 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Checkpoint/restart in COBOL applications?
On 6/18/2023 8:39 AM, Seymour J Metz wrote
y, June 18, 2023 7:57 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Checkpoint/restart in COBOL applications?
>
> I don't understand what's the implication of z/OS here;
> we are using Smart/Restart, too, but IMO this is only application
> programming,
> no support from the OpS
]
Sent: Sunday, June 18, 2023 12:05 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Checkpoint/restart in COBOL applications?
On 6/18/2023 8:39 AM, Seymour J Metz wrote:
> Checkpoint is an old (as in OS/360 old) facility that comes with restrictions
> that make it less useful than it might oth
On 6/18/2023 8:39 AM, Seymour J Metz wrote:
Checkpoint is an old (as in OS/360 old) facility that comes with restrictions
that make it less useful than it might otherwise be. I'm not sure what the use
case is these days.
I have never seen the old checkpoint/restart facility used.
--
Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of
Bernd Oppolzer [bernd.oppol...@t-online.de]
Sent: Sunday, June 18, 2023 7:57 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Checkpoint/restart in COBOL applications?
I don't understand what's the implication of z/OS here;
we are using Smart
wrote:
On Sat, 17 Jun 2023 19:50:01 -0700 Tom Ross
wrote:
:> Does anyone know if there are people/applications using checkpoint/restart
in
:>COBOL applications? The doc only shows it is usable in programs that use
SORT,
:>I have not heard of customers doing this in years, but someone i
one know if there are people/applications using checkpoint/restart
in
:>COBOL applications? The doc only shows it is usable in programs that use
SORT,
:>I have not heard of customers doing this in years, but someone in IBMMAIN
would
:>know better than me! The reason for the question
On Sat, 17 Jun 2023 19:50:01 -0700 Tom Ross
wrote:
:> Does anyone know if there are people/applications using checkpoint/restart
in
:>COBOL applications? The doc only shows it is usable in programs that use
SORT,
:>I have not heard of customers doing this in years, but someone i
Greetings!
Does anyone know if there are people/applications using checkpoint/restart in
COBOL applications? The doc only shows it is usable in programs that use SORT,
I have not heard of customers doing this in years, but someone in IBMMAIN would
know better than me! The reason
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